CN210033364U - Shearing and setting packer - Google Patents
Shearing and setting packer Download PDFInfo
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- CN210033364U CN210033364U CN201920828934.2U CN201920828934U CN210033364U CN 210033364 U CN210033364 U CN 210033364U CN 201920828934 U CN201920828934 U CN 201920828934U CN 210033364 U CN210033364 U CN 210033364U
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- fixedly connected
- packer
- barrel
- sleeve
- shear
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Abstract
The utility model discloses a cut and sit packer, including a packer section of thick bamboo, the inner wall fixedly connected with top connection of a packer section of thick bamboo, the last adapter sleeve of relative title has been cup jointed admittedly to the upper surface of top connection, the right flank fixedly connected with liquid cylinder sleeve of going up the adapter sleeve, the fixed bottom surface of going up the adapter sleeve is inlayed and is had first shear pin, the piston has been placed to the inside of liquid cylinder sleeve, the surface of piston contacts with the inner wall of liquid cylinder sleeve, the center tube has been placed to the below of piston, the inner wall fixedly connected with packing element of a packer section of thick bamboo, the right flank fixedly connected with top packing element of packing element, the first locking piece of the right flank fixedly connected with of top packing element. The utility model relates to a rational in infrastructure, it can improve sealed life who glues through the cooperation of centrum and third locking piece down, has avoided sealed the condition that the sealed glue became invalid, can make the packing element realize sealing and the oil jacket annular space of sitting the packer to cuting through the extrusion of horse tooth axle after that.
Description
Technical Field
The utility model relates to a packer technical field specifically is a shear seat seals packer.
Background
The packer is provided with an elastic sealing element, and therefore annular spaces between pipe columns with various sizes and between well bores and between the pipe columns are sealed, and a production layer is isolated, so that production liquid is controlled, a packer of a downhole tool for protecting the casing pipe is used for layering in an oil production process, an oil production channel is designed on the packer, when the packer is set, a piston sleeve moves upwards, the oil production channel is opened, after the packer is set, an upper laminating pressure acts on a balance piston, a rubber sleeve is pushed upwards, a deblocking pin is prevented from shearing force, when the deblocking is performed, the pin is sheared by deblocking of friction force between the rubber sleeve and the casing pipe, the piston sleeve moves downwards, and the oil production channel is closed.
The method is characterized in that a common operation procedure for underground operation is to use a packer sleeve to find leakage, because a leakage well section is not clear, a pipe column needs to be moved for many times and a packer needs to be set, and after the packer is set for many times, the situation that a sealant fails is caused, so that the leakage finding efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
One) technical problem to be solved
The utility model aims at providing a shearing setting packer in order to remedy the deficiency of the prior art.
II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a shear-setting packer comprises a packer barrel, wherein an upper joint is fixedly connected to the inner wall of the packer barrel, an upper connecting sleeve which is relatively symmetrical is fixedly sleeved on the upper surface of the upper joint, a liquid cylinder sleeve is fixedly connected to the right side surface of the upper connecting sleeve, a first shear pin is fixedly embedded in the bottom surface of the upper connecting sleeve, a piston is placed inside the liquid cylinder sleeve, the outer surface of the piston is in contact with the inner wall of the liquid cylinder sleeve, a central pipe is placed below the piston, a rubber sleeve is fixedly connected to the inner wall of the packer barrel, a rubber ejection barrel is fixedly connected to the right side surface of the rubber ejection barrel, a first locking block is fixedly connected to the right side surface of the rubber ejection barrel, a connecting cylinder sleeve is fixedly connected to the upper surface of the first locking block, a second locking block is fixedly connected to the outer surface of the central pipe, a horse-tooth shaft is fixedly connected to the right side surface of the connecting cylinder sleeve, and an upper side, the inner wall fixedly connected with slips of packer section of thick bamboo, the right side fixedly connected with of slips is centrum down, the outer fixed surface of center tube is connected with the lower clutch.
Furthermore, a spring is placed inside the slip, and the bottom end of the spring is fixedly connected with the inner bottom wall of the slip.
Through adopting above-mentioned technical scheme, make a shear setting packer can reach and strut the slips anchoring, avoided the slips to lead to the phenomenon that can't strut.
Furthermore, the outer surface of the central pipe is fixedly connected with a connecting sleeve, and the upper surface of the connecting sleeve is fixedly connected with the inner side wall of the packer barrel.
Through adopting above-mentioned technical scheme, make a shearing sit and seal packer can improve the buffering of adapter sleeve to the lower clutch, avoided the adapter sleeve to take place to block.
Furthermore, a second shear pin is placed on the upper surface of the upper vertebral body, and the second shear pin is fixedly embedded in the upper vertebral body.
Through adopting above-mentioned technical scheme, make a shearing sit and seal packer can improve and can improve the fracture that can improve the second shear pin when detecting out to leak, avoided the second shear pin to take place to block.
Furthermore, a third locking block is arranged on the right side face of the lower vertebral body, and the bottom face of the third locking block is fixedly connected with the outer surface of the central tube.
By adopting the technical scheme, the shearing setting packer can improve the locking of the lower vertebral body and avoid the lower vertebral body from slipping.
Furthermore, a hydraulic cylinder barrel is arranged on the upper portion of the right side face of the top rubber cylinder, and the upper surface of the hydraulic cylinder barrel is fixedly connected with the bottom face of the connecting cylinder sleeve.
Through adopting above-mentioned technical scheme, make a shearing sit and seal packer can improve pneumatic cylinder operating capability, avoided the pneumatic cylinder to take place to block.
III) beneficial effects
Compared with the prior art, this kind of shearing setting packer possesses following beneficial effect:
firstly, the method comprises the following steps: the utility model discloses a packer sub-unit connection, after that set packer does not take place relative motion with center tube and packer section of thick bamboo at the in-process of going down the well through shearing, can make the packing element can not work, then behind the position of leaking under the set packer of shearing, through throwing ball or throwing the stick from the well head, it exerts pressure and lets first shear pin atress cut to hit the top packing element through the jaw axis, the second shear pin also can take place to cut after that, through the adapter sleeve after that, the first locking piece of jar, the cooperation of second locking piece and third locking piece, can provide the holding power for shearing the set packer, can improve sealed life who glues through the cooperation of lower centrum and third locking piece, the sealed condition of losing efficacy that appears in having avoided.
Secondly, the method comprises the following steps: the utility model discloses a packer sub-unit connection, can improve the fracture that can improve the second shear pin when detecting out to leak through last centrum and second shear pin, avoided the second shear pin to take place to block, improved the buffering of adapter sleeve to the lower clutch through the adapter sleeve, avoided the adapter sleeve to take place to block, do not take place relative motion through shearing the setting packer at the in-process of going into the pit with center tube and packer section of thick bamboo after that, can make the packing element can not work, then after shearing the setting packer to the position of leaking, extrusion through the jaw axle can make the packing element realize the setting and the oil jacket annular space sealing of shearing the setting packer after that.
Drawings
FIG. 1 is a cross-sectional view of a front view of a packer barrel of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.
In the figure: 1. an upper joint; 2. a first shear pin; 3. a cylinder liner; 4. a central tube; 5. a horse gear shaft; 6. a third locking block; 7. a lower joint; 8. connecting sleeves; 9. a hydraulic cylinder barrel; 10. a piston; 11. an upper connecting sleeve; 12. a rubber cylinder; 13. a first lock block; 14. connecting the cylinder sleeve; 15. a second lock block; 16. pushing a rubber cylinder; 17. a spring; 18. a second shear pin; 19. a superior vertebral body; 20. slips; 21. the inferior vertebral body; 22. a packer barrel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: a shear-setting packer comprises a packer barrel 22, wherein an upper joint 1 is fixedly connected to the inner wall of the packer barrel 22, an upper connecting sleeve 11 which is relatively symmetrical is fixedly sleeved on the upper surface of the upper joint 1, a hydraulic cylinder sleeve 3 is fixedly connected to the right side surface of the upper connecting sleeve 11, a first shear pin 2 is fixedly embedded in the bottom surface of the upper connecting sleeve 11, a piston 10 is placed inside the hydraulic cylinder sleeve 3, the outer surface of the piston 10 is in contact with the inner wall of the hydraulic cylinder sleeve 3, a central pipe 4 is placed below the piston 10, a rubber cylinder 12 is fixedly connected to the inner wall of the packer barrel 22, a rubber jacking cylinder 16 is fixedly connected to the right side surface of the rubber jacking cylinder 12, a first locking block 13 is fixedly connected to the right side surface of the rubber jacking cylinder 16, a connecting cylinder sleeve 14 is fixedly connected to the upper surface of the first locking block 13, a second locking block 15 is fixedly connected to the outer surface of the central pipe 4, a jaw shaft 5 is fixedly connected to the right side surface of, the inner wall of the packer cylinder 22 is fixedly connected with a slip 20, the right side of the slip 20 is fixedly connected with a lower cone 21, and the outer surface of the central tube 4 is fixedly connected with a lower joint 7.
Further, a spring 17 is arranged inside the slip 20, and the bottom end of the spring 17 is fixedly connected with the inner bottom wall of the slip 20.
Through adopting above-mentioned technical scheme, make a shear setting packer can reach and strut slips 20 anchoring, avoided slips 20 to lead to the phenomenon that can't strut.
Further, the outer surface of the central tube 4 is fixedly connected with a connecting sleeve 8, and the upper surface of the connecting sleeve 8 is fixedly connected with the inner side wall of the packer barrel 22.
Through adopting above-mentioned technical scheme, make a shearing sit and seal packer can improve the buffering of adapter sleeve 8 to lower clutch 7, avoided adapter sleeve 8 to take place to block.
Furthermore, a second shear pin 18 is placed on the upper surface of the upper vertebral body 19, and the second shear pin 18 is fixedly embedded in the upper vertebral body 19.
Through adopting above-mentioned technical scheme, make a shearing set packer can improve and can improve the fracture that can improve second shear pin 18 when detecting out to leak, avoided second shear pin 18 to take place to block.
Further, a third locking block 6 is arranged on the right side surface of the lower vertebral body 21, and the bottom surface of the third locking block 6 is fixedly connected with the outer surface of the central tube 4.
By adopting the technical scheme, the shearing setting packer can improve the locking of the lower vertebral body 21 and avoid the lower vertebral body 21 from slipping.
Furthermore, a hydraulic cylinder barrel 9 is arranged at the upper part of the right side surface of the top rubber barrel 16, and the upper surface of the hydraulic cylinder barrel 9 is fixedly connected with the bottom surface of the connecting cylinder sleeve 14.
Through adopting above-mentioned technical scheme, make a shearing set packer can improve pneumatic cylinder 9 operating capability, avoided pneumatic cylinder 9 to take place the card pause.
The working principle is as follows: the method comprises the steps of firstly connecting a shearing setting packer in a leakage finding pipe column, connecting the shearing setting packer with the lower part of the packer, then enabling the shearing setting packer to be free from relative motion with a central pipe 4 and a packer barrel 22 in the process of going down a well through the shearing setting packer, enabling a rubber barrel 12 not to work, then enabling the shearing setting packer to be lowered to a water leakage position, enabling a first shear pin 2 to be stressed and cut through impacting a top rubber barrel 16 by a jaw shaft 5 through ball or bar throwing from the well mouth, enabling a second shear pin 18 to be cut through impacting the top rubber barrel 16, enabling the second shear pin 18 to leave the central pipe 4 through a connecting sleeve cylinder 14, providing supporting force for the shearing setting packer, enabling the rubber barrel 12 to realize setting of the shearing setting packer and annular sealing of an oil sleeve through extrusion of the jaw shaft 5, and avoiding the situation that sealing gum fails.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A shear-set packer comprising a packer barrel (22), characterized in that: the inner wall of the packer barrel (22) is fixedly connected with an upper connector (1), the upper surface of the upper connector (1) is fixedly sleeved with a relatively-symmetric upper connecting sleeve (11), the right side surface of the upper connecting sleeve (11) is fixedly connected with a liquid cylinder sleeve (3), the bottom surface of the upper connecting sleeve (11) is fixedly embedded with a first shear pin (2), a piston (10) is placed inside the liquid cylinder sleeve (3), the outer surface of the piston (10) is in contact with the inner wall of the liquid cylinder sleeve (3), a central tube (4) is placed below the piston (10), the inner wall of the packer barrel (22) is fixedly connected with a rubber barrel (12), the right side surface of the rubber barrel (12) is fixedly connected with a rubber ejection barrel (16), the right side surface of the rubber ejection barrel (16) is fixedly connected with a first locking block (13), the upper surface of the first locking block (13) is fixedly connected with a connecting cylinder sleeve (14), the outer fixed surface of center tube (4) is connected with second locking piece (15), the right flank fixedly connected with horse tooth axle (5) of connecting cylinder liner (14), centrum (19) on the right flank fixedly connected with of horse tooth axle (5), inner wall fixedly connected with slips (20) of packer section of thick bamboo (22), centrum (21) under the right side fixedly connected with of slips (20), the outer fixed surface of center tube (4) is connected with lower clutch (7).
2. A shear-set packer as defined in claim 1, wherein: a spring (17) is placed inside the slip (20), and the bottom end of the spring (17) is fixedly connected with the inner bottom wall of the slip (20).
3. A shear-set packer as defined in claim 1, wherein: the outer surface of the central pipe (4) is fixedly connected with a connecting sleeve (8), and the upper surface of the connecting sleeve (8) is fixedly connected with the inner side wall of the packer barrel (22).
4. A shear-set packer as defined in claim 1, wherein: a second shear pin (18) is placed on the upper surface of the upper vertebral body (19), and the second shear pin (18) is fixedly embedded in the upper vertebral body (19).
5. A shear-set packer as defined in claim 1, wherein: a third locking block (6) is arranged on the right side face of the lower vertebral body (21), and the bottom face of the third locking block (6) is fixedly connected with the outer surface of the central tube (4).
6. A shear-set packer as defined in claim 1, wherein: a hydraulic cylinder barrel (9) is placed on the upper portion of the right side face of the top rubber barrel (16), and the upper surface of the hydraulic cylinder barrel (9) is fixedly connected with the bottom face of the connecting cylinder sleeve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828934.2U CN210033364U (en) | 2019-06-04 | 2019-06-04 | Shearing and setting packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828934.2U CN210033364U (en) | 2019-06-04 | 2019-06-04 | Shearing and setting packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210033364U true CN210033364U (en) | 2020-02-07 |
Family
ID=69346363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920828934.2U Active CN210033364U (en) | 2019-06-04 | 2019-06-04 | Shearing and setting packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210033364U (en) |
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2019
- 2019-06-04 CN CN201920828934.2U patent/CN210033364U/en active Active
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